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What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This science project allows students to study the psychology of happiness.

Give your budding young observers a chance to discover simple machines at use in their own home.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that determines whether mass and weight are the same or different.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.